摘要:
Vasya likes everything infinite. Now he is studying the properties of a sequence s, such that its first element is equal to a (s1 = a), and the differ 阅读全文
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Problem Description The least common multiple (LCM) of a set of positive integers is the smallest positive integer which is divisible by all the numbe 阅读全文
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A wise man told Kerem "Different is good" once, so Kerem wants all things in his life to be different. Kerem recently got a string s consisting of low 阅读全文
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Every year, hundreds of people come to summer camps, they learn new algorithms and solve hard problems. This is your first year at summer camp, and yo 阅读全文
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N皇后问题 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 16803 Accepted Submission(s): 7631 Problem 阅读全文
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Problem Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large re 阅读全文